[ENH] In installer, remembers values for host, username and database (but not password) upon unsuccessful attempt to create db/local.php  Thanks nyloth
[ENH] In installer, remembers values for host, username and database (but not password) upon unsuccessful attempt to create db/local.php  Thanks nyloth

git-svn-id: 08a866106b41c57cec985b5deddde5835bf030d4@17023 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,changi67/tiki,oregional/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,tikiorg/tiki,oregional/tiki,tikiorg/tiki,changi67/tiki,changi67/tiki